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1978年8月,印度空间部同美国福特航空空间与通信公司签订了一项合同,根据这项合同,该公司将为印度研制两颗可供国内通信、电视教育广播、气象观测和为地面数据收集台站中继气象数据的多用途卫星。该卫星取名为印度卫星-1,将于1981年用美国航天飞机发射。印度卫星-1,是一种在转移轨道和同步轨道上都采用三轴稳定的新型卫星,它的发射重量为1072.4公斤,不带燃料时净重488.4公斤。用单块太阳电池帆板提供824.6瓦的功率。星上装有12个转发器,其中9个工作,3个备用。印度卫星-1的另一特点是
In August 1978, India’s Ministry of Space signed a contract with Ford Aviation and Space Communications, Inc. Under the contract, the company will develop for India two domestic radio and television education broadcasts, meteorological observations and data for the ground Multi-purpose satellite that collects station relay meteorological data. The satellite, named Indian Satellite-1, will be launched by the U.S. space shuttle in 1981. Indian Satellites-1, a new type of satellite that uses three-axis stability on both transfer and geostationary orbit, has a launch weight of 1072.4 kg and a net weight of 488.4 kg without fuel. A single solar panel provides 824.6 watts of power. Star equipped with 12 transponders, of which 9 work, 3 spare. Another feature of Indian Satellite-1 is